X2crti17 X3crti17 X3crnb17 1.4520 1.4510 1.4511 Austenitic-Ferritic Stainless Steel Round/Square Pipe Seamless Metal Tube

• Customization: Available
• Type: Stainless Steel Pipes
• Standard: ASTM, AISI
• Model NO.: X2CrTi17 X3CrTi17 X3CrNb17 1.4520 1.4510 1.4511
• Certification: ISO
• Shape: Square
• Technique: Cold Rolled
• Surface Treatment: Polished
• Application: Construction/Indutry/Building/Chemical/Auto
• Processing Service: No.1/2b/Ba/No.4/8K/Sb/Hl/Embosses/Etched/Decorate
• Material: 200 Series/300 Series/400series
• Keyword: Welded Seamless Pipe Tube
• Transport Package: Standard Sea-Worthy Packing
• Specification: as required
• Trademark: bolaisheng
• Origin: China

Product Description

Stainless steel square tube is a hollow strip of steel, known for its square cross-section. This unique shape makes it an excellent choice for transporting various fluids such as oil, natural gas, water, gas, and steam. Beyond fluid transport, its exceptional bending and torsional strength combined with lightweight properties make it a preferred material in mechanical part manufacturing and engineering structures.
Stainless steel square pipe classification: Square pipes come in two primary categories-seamless steel pipes and welded steel pipes. Depending on the section shape, they can be classified into square, rectangular, and the more widely used round steel pipes. Additionally, there are specialty shapes including semicircular, hexagonal, equilateral triangle, and octagonal pipes, ensuring versatility for various applications.
For stainless steel square pipes subjected to fluid pressure, rigorous hydraulic tests are essential to assess their pressure resistance and overall quality. Pipes must demonstrate no leakage, wetting, or expansion under specified pressures to be deemed qualified. Additional tests such as crimping, flaring, and flattening are performed according to standards or customer requirements.
Square tube specification: 5*5~150*150mm, Thickness: 0.4~6.0mm
Square pipe material: 304, 304L, TP304, TP316L, 316, 316L, 316Ti, 321, 347H, 310S

Product name	X2CrTi17 X3CrTi17 X3CrNb17 1.4520 1.4510 1.4511 Stainless Steel Square Tube
Grade	201,202,301,302,302HQ,303,304,304L,304F,309,310,310s,314,314l,316,316L,316Ti,316F,317,317l,321,409L,410,410S,416,420,420J1,420JS,430,430F,431,etc.
Standard	ASTM/ASMES A312 GR. TP304, 304L, 304H, 310S, 310H, 316, 316L, 347, 347H snd etc;ASTM/ASMES A358 CL1&CL3 GR. 304, 304L, 304H, 310S, 310H, 316, 316L, 347, 347H snd etc;Duplex ASTM / ASME SA 790 UNS NO S31803 , S32205 and etc.Inconel ASTM B444 UNS06625 , Incoloy ASTM B423 UNS08825 Hastelloy C276, Monel 400,ASTM B111 C68700, C44300, C70600, C71500,
Outside diameter	6mm-3000mm
W.T.	0.5-100mm
Length	1. Single Random Length and double Random Length.2. SRL: 3M-5.8M   DRL: 10-11.8M or As clients requested length3. Fixed length (5.8m, 6m, 12m)
Pipe Ends	Under 2 inch plain end. 2 inch and above Beveled. Plastic caps (small OD). Iron protector (large OD).
Surface Treatment	black paint, varnish, oil, galvanized, anti-corrosion coated.
Marking	Supply Logo + Standard + Size(mm) + HEAT NO +or as your requirement
Test	Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size Inspection, hydraulic testing , X-ray Test, HIC & SSC test, etc. or as your requirment
Brand	JIULI, WUJIN, ZHONGDA, GAOLIN, GANGYI, DEWEI, ZHANGYUAN etc or as your requirment
Certificates	API, ISO, SGS, BV, CE, PED, KOC, CCRC, PDO and etc.
Advantages	1. Abundant stock and prompt delivery2. Reasonable for whole packages and processes.3. 15 years' QC team service & sales management API& ASTM trained engineers.4. More than 150 customers spread worldwide. (Petrofac, G.S Engineer, Fluor, Hyundai  Heavy industry, Kuwait National Oil, Petrobras, PDVSA, PetroEcuador, SHELL, etc.)

Chemical Element Content (%)

X2CrTi17 Chemical element content (%)
Element	C	Si	Mn	P	S	Cr	N	Ti
Min	-	-	-	-	-	16	-	0.3
Max	0.025	0.5	0.5	0.04	0.015	18	0.015	0.6

X2CrTi17 Physical properties

Static elastic modulus at each temperature °C

Thermal expansion coefficient between 20°C and various temperatures

Thermal conductivity

Specific heat

Resistivity

Magnetism

20°C

100°C

200°C

300°C

400°C

500°C

100°C

200°C

300°C

400°C

500°C

20°C

20°C

20°C

GPa

10-6 K-1

W/m.K

J/kg.K

Ω.mm2/m

220

215

210

205

195

-

10.4

10.8

11.2

11.6

11.9

20

430

0.7

Exist

X3CrTi17 Chemical element content (%)
Element	C	Si	Mn	P	S	Cr	More
Min	-	-	-	-	-	16	Ti:[4 x (C+N)+ 0.15]~0.80
Max	0.05	1	1	0.04	0.015	18

X3CrTi17 Physical properties

Static elastic modulus at each temperature °C

Thermal expansion coefficient between 20°C and various temperatures

Thermal conductivity

Specific heat

Resistivity

Magnetism

20°C

100°C

200°C

300°C

400°C

500°C

100°C

200°C

300°C

400°C

500°C

20°C

20°C

20°C

GPa

10-6 K-1

W/m.K

J/kg.K

Ω.mm2/m

220

215

210

205

195

-

10

10

10.5

10.5

11

25

460

0.6

Exist

X3CrNb17 Chemical element content (%)
Element	C	Si	Mn	P	S	Cr	More
Min	-	-	-	-	-	16	Nb:12×C ~ 1.00
Max	0.05	1	1	0.04	0.015	18

X3CrNb17 Physical properties

Static elastic modulus at each temperature °C

Thermal expansion coefficient between 20°C and various temperatures

Thermal conductivity

Specific heat

Resistivity

Magnetism

20°C

100°C

200°C

300°C

400°C

500°C

100°C

200°C

300°C

400°C

500°C

20°C

20°C

20°C

GPa

10-6 K-1

W/m.K

J/kg.K

Ω.mm2/m

220

215

210

205

195

-

10

10

10.5

10.5

11

25

460

0.6

Exist

Application area

Our Advantages

Qualitative Materials:

We utilize top-grade raw materials to ensure our products offer superior strength, resilience, and longevity.

Advanced Technology:

Our manufacturing processes incorporate state-of-the-art technologies, including advanced smelting, continuous casting, and rolling.

Customized Service:

We offer tailored design and manufacturing services to meet specific customer needs and requirements.

FAQ

Q1: Why choose your company?

A: With over 16 years of industry expertise and our own factory, we provide exceptional services backed by a professional and dedicated sales team.

Q2: What are your terms of payment?

A: We require a 30% T/T deposit upfront, with the remaining 70% due before delivery.

Q3: What are your delivery terms?

A: Our terms are FOB, CFR, CIF, and EXW.

Q4: What is your delivery time?

A: Our standard lead time is 7 to 15 days after receiving the deposit.

Q5: Can you provide samples?

A: Yes, we offer free samples if available in stock. However, transportation fees must be covered by the buyer.

Certification